USDA estimates that Corn exports for 2018/19 are raised for Ukraine, Serbia, and Paraguay, but lowered for Canada and South Africa.  Imports are raised for the EU, Japan, Brazil, and Guatemala, with partly offsetting declines for Algeria and Saudi Arabia.  For 2017/18, exports are lowered for both Brazil and Argentina, reflecting slower-than-expected trade to date.  Foreign corn ending stocks for 2018/19 are down from last month, with declines for Argentina, South Africa, Ukraine, Canada, and Serbia more than offsetting increases for Angola, Paraguay, the EU, Brazil, Turkey, and India.  Global corn stocks, at 157.0 million tons, are up 1.5 million from last month. 2018/19 U.S. corn outlook is for larger production,...